diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/engctx.h b/drivers/gpu/drm/nouveau/include/nvkm/core/engctx.h
index e4bf2982c19026e5b6f2e20d6b004a780ff01f69..aa465def4f95f9ddd31ef9f5b7e787edb87e7e34 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/engctx.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/engctx.h
@@ -4,7 +4,7 @@
 
 #include <subdev/mmu.h>
 
-#define NV_ENGCTX_(eng,var) (NV_ENGCTX_CLASS | ((var) << 8) | (eng))
+#define NV_ENGCTX_(eng,var) (((var) << 8) | (eng))
 #define NV_ENGCTX(name,var)  NV_ENGCTX_(NVDEV_ENGINE_##name, (var))
 
 struct nvkm_engctx {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h b/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h
index 67e3afcbdd9700ae1cd658a3efd428ac3b25d77b..0b5f05aec2dffe1e02d829d78c81024b8c94ad6e 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h
@@ -2,7 +2,7 @@
 #define __NVKM_ENGINE_H__
 #include <core/subdev.h>
 
-#define NV_ENGINE_(eng,var) (NV_ENGINE_CLASS | ((var) << 8) | (eng))
+#define NV_ENGINE_(eng,var) (((var) << 8) | (eng))
 #define NV_ENGINE(name,var)  NV_ENGINE_(NVDEV_ENGINE_##name, (var))
 
 struct nvkm_engine {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/object.h b/drivers/gpu/drm/nouveau/include/nvkm/core/object.h
index 04e8a62ade32f54c9d155f72d56fae6c7e1f177a..ef0ff9e1a9480844172be924e6813e41512cd0c4 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/object.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/object.h
@@ -11,10 +11,10 @@
 #define NV_MEMOBJ_CLASS 0x04000000
 #define NV_GPUOBJ_CLASS 0x02000000
 #define NV_ENGCTX_CLASS 0x01000000
-#define NV_OBJECT_CLASS 0x0000ffff
 
 struct nvkm_object {
 	struct nvkm_oclass *oclass;
+	u32 pclass;
 	struct nvkm_object *parent;
 	struct nvkm_engine *engine;
 	atomic_t refcount;
@@ -70,8 +70,8 @@ struct nvkm_oclass {
 
 #define nv_oclass(o)    nv_object(o)->oclass
 #define nv_hclass(o)    nv_oclass(o)->handle
-#define nv_iclass(o,i) (nv_hclass(o) & (i))
-#define nv_mclass(o)    nv_iclass(o, NV_OBJECT_CLASS)
+#define nv_iclass(o,i) (nv_object(o)->pclass & (i))
+#define nv_mclass(o)    nv_oclass(o)->handle
 
 static inline struct nvkm_object *
 nv_pclass(struct nvkm_object *parent, u32 oclass)
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h b/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h
index 8e762830902d1423c10c3c5af4fc351fae112d6e..ce5f1b93ef9aa804e6c910f46af088493fa01e93 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h
@@ -2,7 +2,7 @@
 #define __NVKM_SUBDEV_H__
 #include <core/object.h>
 
-#define NV_SUBDEV_(sub,var) (NV_SUBDEV_CLASS | ((var) << 8) | (sub))
+#define NV_SUBDEV_(sub,var) (((var) << 8) | (sub))
 #define NV_SUBDEV(name,var)  NV_SUBDEV_(NVDEV_SUBDEV_##name, (var))
 
 struct nvkm_subdev {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
index 3e77c924434b3a050b6f0623c781c067ed66a262..0ec929e00b36ecd7351d034454639510e9dc57a4 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
@@ -50,7 +50,7 @@ struct nvkm_fifo_base {
 };
 
 #define nvkm_fifo_context_create(p,e,c,g,s,a,f,d)                           \
-	nvkm_gpuobj_create((p), (e), (c), 0, (g), (s), (a), (f), (d))
+	nvkm_gpuobj_create((p), (e), (c), NV_ENGCTX_CLASS, (g), (s), (a), (f), (d))
 #define nvkm_fifo_context_destroy(p)                                        \
 	nvkm_gpuobj_destroy(&(p)->gpuobj)
 #define nvkm_fifo_context_init(p)                                           \
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/object.c b/drivers/gpu/drm/nouveau/nvkm/core/object.c
index b32a041636a403fb51f1f65971eeda4f5971f17a..98ba58ec1d3943a64a88042d4abee2db2d615031 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/object.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/object.c
@@ -107,7 +107,7 @@ nvkm_object_create_(struct nvkm_object *parent, struct nvkm_object *engine,
 	nvkm_object_ref(parent, &object->parent);
 	nvkm_object_ref(engine, (struct nvkm_object **)&object->engine);
 	object->oclass = oclass;
-	object->oclass->handle |= pclass;
+	object->pclass = pclass;
 	atomic_set(&object->refcount, 1);
 	atomic_set(&object->usecount, 0);